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发明名称
CERAMIC MATERIAL
摘要
申请公布号
CA420776(A)
申请公布日期
1944.06.13
申请号
CAD420776
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
JAMES R. LAIT
分类号
主分类号
代理机构
代理人
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地址
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